#container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(112,128,144,0.3);
    z-index: 99999;
    display: none;
}
div.l {
    align: center;
    height: 150px;
    width: 150px;
    position: relative;
}
canvas { display: block; }